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<?php |
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|
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namespace Elementor\Modules\AtomicWidgets\CssConverter; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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trait Css_Block_Scanner_Trait { |
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|
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/** |
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* Returns true when the quote/character at $pos is preceded by an odd number of backslashes, |
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* meaning it is escaped. Counting consecutive backslashes handles `"\\"` correctly |
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* (even count → backslash itself escaped → the following char is NOT escaped). |
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*/ |
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private function is_escaped( string $css, int $pos ): bool { |
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$count = 0; |
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$j = $pos - 1; |
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while ( $j >= 0 && '\\' === $css[ $j ] ) { |
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++$count; |
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--$j; |
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} |
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return 1 === $count % 2; |
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} |
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|
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private function find_block_end( string $css, int $start, int $len ): ?int { |
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$depth = 1; |
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$in_string = false; |
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$str_char = ''; |
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|
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for ( $i = $start; $i < $len; $i++ ) { |
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$c = $css[ $i ]; |
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|
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if ( $in_string ) { |
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if ( $str_char === $c && ! $this->is_escaped( $css, $i ) ) { |
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$in_string = false; |
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} |
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continue; |
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} |
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|
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if ( '"' === $c || "'" === $c ) { |
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$in_string = true; |
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$str_char = $c; |
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continue; |
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} |
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|
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if ( '{' === $c ) { |
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++$depth; |
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} elseif ( '}' === $c ) { |
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--$depth; |
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if ( 0 === $depth ) { |
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return $i + 1; |
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} |
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} |
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} |
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|
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return null; |
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} |
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} |
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|
